Thimble for coiled box strapping



W. F. FREfiH. THIMBLE FOR. COILED BOX STRAPPINIG.

-APPLICATIOR FILED FEB. 21, 1920. I

Patented 0m. 24, m.

ATTO/WEV'.

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'l'lpplication iuearebmar 21,1920. seen no. senate.

Beit known that I, WILLrA F; Freon, a

citizen of the United States, residing at the cityof New York, borough of Brooklyn,

county of Kingaand State of New York,

have: invented a new and useful Thimble for Coiled Box Strapping, of which the following is a specification. i

This invention is a thimble ping, the'objectbeingto provide a secure and eficient'attaching means capable of economical manufacture and easily attachable to, the several parts.

-itlccording tofthisinvention, the thimble is produced by cutting a blank in one piece I from sheet metal, said blank being provided in two of its edges with notches, the bottom edges of which notches are rounded so as to leave well defined margins adapted to perform the function of retaining flanges.

, The stamped blank is rolled into the form of a tube, the respective ends of which are i Q indented by the notches. In assemblingthe portions of, the metal intermediate said notches are turned over so as to have frictional contact with the hanger and a firm bearing thereomwhereby the side portions of the hangerareretained inclose engage ment with the spool and the thlmble is so firmlyattached to the hanger so as to preclude separation of the parts under the comparatively rough usage to which the strapping is subjected while undergoing trans- POI'ttllZlOIl or in service.

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The invention in a practical form is illustrated in the accompanying drawing, where- 111- a Figure 1 is a side elevation of the hanger and attaching thimble.

. Figure 2 is a cross section on the line 22 of Figure 1. I

Figure 3 is a perspective view of the thimble on an enlarged scale and detachedfrom the reel. Figure 4: is a plan view of the stamped steel metal blank.

y for connecting a hangerto the spool of coiled box strapreel,

The salient feature "of this invention is the thimble A, shownin Figure 25, produced from the stamped metal blank, B of Figure 4. Said blank is substantially rectangular, and itis provided in two of its edges with two series of notches b, b, one series in each edge, the edges of the metal blank intermediate the notches being rounded or curved at t. The thimble is produced by rolling the stamped notched blank into tubular form as shown in Figure 3, the end portions of said thimble being indented by thenotches.

C is a spool, composed usually of soft material such as wood, fibre or the like, and D is a thin metal strap, known usually as box strapping forthe reason that it is used for. binding a shipping'package, such as a box or crate, to which the strapping is nailed or otherwise applied. The metal strap is coiled upon the spool, and the attached coil and s 001 are mounted within a hanger E by the t imble A, saiu hanger being composed usu-' ally of a metal strap doubled to produce a loop the side members of which lie in close relation to the faces ofthe spool and the edges of the coiled strapping, see Figure 2. The spool is centrally apertured, at d, and the side members of the hanger are provided with apertures e, the latter being in register with the spool aperture d, when the parts are assembled by positioning the spool and the coil between the side members of the hanger.

The thimble constitutes the means for connecting the spool to the hanger and as a journal upon. which the spool and reel are free to turn in drawing the strapping off the coil. Said thimble is passed through the alined apertures in thespool and the hanger, the thimble being suificiently long for the notched end portions to protrude beyond the side members of said h anger.

Tt will be noted that the notches produce tongues f, f, at the opposite end portions of the thimble, and in placing the thimble in position these tongues and the curved margins 0 pass beyond the outer faces of the hanger, whereby the tongues are adapted to bebent outwardly as shown in Figures 1 and 2, and the margins c of the thimble are alsobent outwardly to produce narrow flanges, shown more clearly in Figure 2. The tongues f, f, are sufiiciently long to have engagement with the outer faces of hanger on the side members thereof, but by the flanging the curved edges 0 of the thimble the side members of the hanger are drawn into close contact with the respective faces ofthe spool and with the edges of the coiled strapping. The described construction provides for the secure attachment of the thimble to the hanger so that there is very little possibility of the thimble becoming detached from said hanger, the thimble performing the function of a journal on which the spool and the coil are free to rotate When the operator pulls the box strapping off the coil.

It will be understood that the thimble can be produced rapidly and cheaply for the reason it is only necessary to stamp the blank out of sheet metal and bend said blank into tubular form. The thimble is assembled with the spool, coil and hanger quite easily, and the tongues and flanges are bent by appropriate tools so as topermanently attach said thimble to the hanger,

Having thus described the invention, what I claim as new is p 1. The combination with a hanger, of a thimble provided at its respective end porhanger into contact with the end faces of the spool.

2. A thimble adapted to Serve as a means for rotatably mounting a eoilwarryiug spool within a hanger, composed of a metal blank provided with notches the inner margins of which are curved, said metal blank being bent into tubular form and the notched portions of which are bendable into contact with the hanger, said curved margins of the thimble at the inner ends of the notches being bendable to produce flanges whereby said flanges and the bent end of the thimble operate to draw the hanger into contact with the spool.

In testimony whereof I have signed my 

